Product Info

LTE Module Series
EG25-G Mini PCIe Hardware Design
EG25-G_Mini_PCIe_Hardware_Design 6 / 48
Figure Index
FIGURE 1: FUNCTIONAL DIAGRAM ............................................................................................................... 13
FIGURE 2: PIN ASSIGNMENT ......................................................................................................................... 14
FIGURE 3: REFERENCE CIRCUIT OF POWER SUPPLY .............................................................................. 18
FIGURE 4: REFERENCE CIRCUIT OF (U)SIM INTERFACE WITH AN 8-PIN (U)SIM CARD CONNECTOR 19
FIGURE 5: REFERENCE CIRCUIT OF (U)SIM INTERFACE WITH A 6-PIN (U)SIM CARD CONNECTOR ... 20
FIGURE 6: REFERENCE CIRCUIT OF USB INTERFACE .............................................................................. 21
FIGURE 7: TIMING IN PRIMARY MODE .......................................................................................................... 24
FIGURE 8: TIMING IN AUXILIARY MODE........................................................................................................ 24
FIGURE 9: REFERENCE CIRCUIT OF PCM APPLICATION WITH AUDIO CODEC ...................................... 25
FIGURE 10: RI BEHAVIOR ............................................................................................................................... 26
FIGURE 11: TIMING OF RESETTING MODULE .............................................................................................. 27
FIGURE 12: LED_WWAN# SIGNAL REFERENCE CIRCUIT DIAGRAM ........................................................ 27
FIGURE 13: WAKE# BEHAVIOR ...................................................................................................................... 28
FIGURE 14: DIMENSIONS OF THE RF CONNECTORS (UNIT: MM) ............................................................. 30
FIGURE 15: MECHANICALS OF U.FL-LP MATING PLUGS ........................................................................... 30
FIGURE 16: SPACE FACTOR OF MATING PLUGS (UNIT: MM) ..................................................................... 31
FIGURE 17: REFERENCED HEATSINK DESIGN ........................................................................................... 37
FIGURE 18: MECHANICAL DIMENSIONS OF EG25-G MINI PCIE ................................................................ 43
FIGURE 19: STANDARD DIMENSIONS OF MINI PCI EXPRESS ................................................................... 44
FIGURE 20: DIMENSIONS OF THE MINI PCI EXPRESS CONNECTOR (MOLEX 679100002) .................... 45